Podcast
Questions and Answers
What is the function of cilia in the respiratory tract?
What is the function of cilia in the respiratory tract?
- To entrap microorganisms (correct)
- To provide physical protection
- To secrete mucus
- To produce tears
What is the main function of the mucous membranes in the gastrointestinal tract?
What is the main function of the mucous membranes in the gastrointestinal tract?
- To secrete tears
- To entrap microorganisms (correct)
- To provide a flushing action
- To move mucus-entrapped microorganisms out of the tract
Which substance is NOT found in tears for protecting the conjunctiva?
Which substance is NOT found in tears for protecting the conjunctiva?
- Lactic acid (correct)
- IgA
- Lactoferrin
- Lysozyme
Which component provides physical and chemical protection to the conjunctiva?
Which component provides physical and chemical protection to the conjunctiva?
Which type of immunity is present since birth and acts against almost any foreign molecules and pathogens?
Which type of immunity is present since birth and acts against almost any foreign molecules and pathogens?
What is the main function of physical barriers in innate immunity?
What is the main function of physical barriers in innate immunity?
Which term refers to the ability of an organism to resist infections by pathogens?
Which term refers to the ability of an organism to resist infections by pathogens?
Which type of immunity relies on previous exposure to a pathogen and has memory?
Which type of immunity relies on previous exposure to a pathogen and has memory?
What is the characteristic of innate immunity with regard to its specificity and reliance on previous exposure?
What is the characteristic of innate immunity with regard to its specificity and reliance on previous exposure?
Which component provides the first line of defense against microorganisms in innate immunity?
Which component provides the first line of defense against microorganisms in innate immunity?